These 'On The Corner' Ads For Argentine Sex Workers Are Brilliantly Deceptive

AMMAR is the union for sex workers in Argentina who want their
trade to be safely regulated by law. The group retained
Ogilvy & Mather Buenos Aires to create these corner
posters. Viewed from one direction, they show a hooker plying
her trade. Turn the corner, however, and it turns out she's a mom
— 86% of Argentine sex workers are mothers, AMMAR says.

The style seems borrowed from Banksy's famous street stencils,
but they're still very, very clever: